Universal shift apparatus and method for swimming pool cover...

Details Universal shift apparatus and method for swimming pool cover... Universal shift apparatus and method for swimming pool cover...

2006-08-22

2006-08-22

Matecki, Kathy (Department: 3654)

Winding, tensioning, or guiding

Reeling device

With particular drive

C242S919000, C192S069100

Reexamination Certificate

active

07093784

ABSTRACT:
A universal shift apparatus and method for a swimming pool cover motor has a rotatable drive shaft and a rope attached to the end of the swimming pool cover. A reel element collects the rope, and a roll-up element collects the swimming pool cover. A gear drive assembly on the rotatable drive shaft drives the reel element in a first rotational direction as the shaft rotates in a first direction and drives the roll-up element in a second rotational direction as the shaft rotates in a second direction. A shift assembly is associated with the gear drive assembly to selectively reverse the first rotational direction of the wind-up reel element and to selectively reverse the second rotational direction of the roll-up element.

REFERENCES:
patent: 2842231 (1958-07-01), Pepper
patent: 2884105 (1959-04-01), Tomlinson
patent: 3721324 (1973-03-01), Schweizer
patent: 4686717 (1987-08-01), MacDonald et al.
patent: 4811433 (1989-03-01), MacDonald et al.
patent: 4815152 (1989-03-01), MacDonald et al.
patent: 5184356 (1993-02-01), Lof et al.
patent: 5327590 (1994-07-01), Last
patent: 5524302 (1996-06-01), Ragsdale et al.
patent: 6431488 (2002-08-01), Zemla et al.

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